Force-feed lubricator.



No. 815,801. PATBNTED MAR. 13, 1906.

G. W. MANZEL.

FORGE FEED LUBRIGATOR.

urmuurox nun HA3. 1a. 1004.

2 SHEETS-SHEET 1.

I n Hlmlm lllllll l Witnesses. Inventor.

No. 815,301. PATENTED MAR. 13, 1906. 'c. w. MANZEL. FORGE FEED LUBRIGATOR. APPLICATION FILED [AB-1011904.

2 SHEETS-SHEET 2.-

UNITED ST TE-s PATENT orrrca.

CHARLES W. MANZEL, 0F BUFFAL NEW YO K, ASSIGNOR TOMA NZEL BROTHERS, OF BUFFALO, NEW YORK.

' FORGE-FEED LUBRIGATOR.

INC-815,301.

Specification of Letters Patent. I l

' Eatented Math 13,1906.

Application filed Mar ch16, 1904. Serial No. 198.405.

To all whom it may concern;

Be it known that I, CHARLES W. MANZEL, a citizen of the United States, residing at Buffalo, in the county of Erie and State of New York, have invented certain new and useful Improvements in Force-Feed Lubricators, of which the following is a specificati on.

valve mechanism arranged between the sight-glass and the'oil-cup which. is closed automatically and absolutely prevents the involuntary flow of oil from the oil-cup into the sight-glass.

The main objects are to positively feed the oil into the sightlass and to revent the oil flowing into and ling the sight-glass. The invention also relates to certain details of construction, all of which will be.

fully and clearly hereinafter described and claimed, reference being had to the accompanying drawings, in which a preferred adaptation of the invention isshown.

F lgure 1 is a longitudinal central section through the improved oil-pump on or about line a a, Fi .5. Fig. 2 is a detached side elevation of t e vertical cross-arm. Fig. 3 is a detached side view of the knurled screw-nut.

Fig. 4 is a detached end elevation of the nut shown in 3. Fig. 5 is a plan view of the oilpump with the oil-cup removed and a'section taken through the rotating disk, the

operating-clutch, and the brake-clutch. Fig. 6 is a central vertical section through the ump on line b b, Fi I 5. Fig. 7 is a detached Bottom viewof the lower plate of the oil-cup. In referring to the accompanying drawings in the following explanation in detail of the adaptation of my invention shown'therein like numerals designate like parts.

In this invention a positive force-feed mechanism 1s arranged )etween the OIl-C IIP which serves'to with flanges 5, w v

of the endsof the cylinder, and a packing 6 is v and the sight-glass, which serves to positively force the oil into the sight-glass in definite predetermined quantities and under all condltions. cated between'the oil-cu and sight-feed,

tarily into and fi g the sight-glass.

The oil-cup proper is composed of a cylim prevent o1 flowing involun- An automatic valve is .also loder of glass 1, a to cover or plate 2, and a bottom plate 3. T e to has a central opening and a screw-threade opening at one side of said central openingin which the top ring of a wire-gauze oil-strainer 4 is screwed. The top and bottom I ch-fit around the margins interposed between each-of the lates and the edges of the cylinder. (See bottom plate has a central projectin portion 7, which is provided with'a vertical cup proper are secured together by a rod 9,"

the lower end of which screws into'the screwth-readed depression 8 in the bottom plate'3 and the upper portion of which passes through the central opening in the top plate 2 and is screw-threaded at its projecting end, as shown at 1'0 inFFig. '1, to'receive the lockca -11, which screws u on said end 10.

he bottom plate 3 has a tubular member which may be formed or cast integral'with it, as shown in the accompanying drawings, or formed separate and attached thereto in any Well-known way. This tubular member has an o eningwhich is divided into a feeding-chamlier and a valve-chamber, said chambers being se arated by an opening of lesseror reduced iameter. In the adaptabottom: plate and forms an enlargement 12,

v p'rrg'ecting fromthe bottom of the plate, and

;enlargement is extended laterally from sai one side of the bottom plate to provide a horizontally-projecting continuation 13 of the' tubular member. The horizontal opening which extends-through the tubular member of the bottom plate is divided into a feedingchamber 14, a valve-chamber 15, and a short ,0 em'ng 16 of reduced diameter'intermediate t e feedin -chamber and the valve-chamber. A vertica "opening 17 extends through the plates 2 and .3 are provided.

I depres' S1011 or recess 8, wluch .1s .1nter1orly screw-' ig. 1.) The tion shownin' the accompanying drawmgs the-tubular member is cast integral with the wall of the bottom plate and forms a passage way for oil from the oil-cupinto the feedingchamber and is sufficiently large to permit the oil to flow freely, as shown in Fig.1.. A-

feeding dpiston-rod 18 is slidably arranged in the fee ing-chamber and pro ects through the continuation 13 of the tubular member,

being 'reciprocated in a manner hereinafter.

the ball type, as shown in Fig. 1. In this form the adjacent annular wall 21, formed by the reduction of the valve-chamber 15 into the intermediate chamber or opening 16, is curved to constitute a valve-seat for a ball 22, which is located in the valve-chamber 15 and is normally held in contact with said seat by a spiral spring 23. The greater portion of the spring 23 loosely encircles a reduced portion 24 of a screw 25, which screws into the inner extremity of the tubular member. The tension of the spring can be regulated by longitudinal adjustment of the screw, and'the reduced portion 24 constitutes a'stop to limit the movement of the ball 22 and prevent excessive compression of the spring 23. (See Fig. 1.)

The tubular member is provided with a downwardly-extending part 26, which has a vertical opening 27 extending therethrough and communicating with the valve chamber 15.

The oil-cup and its feeding mechanism are mounted upon a frame, which is provided with a sight=glass into which the oil is forced by the feeding mechanism and a second feed ing mechanism for drawing oil from the sightglass and forcing it to the point desired. Hereinafter the oil-feeding mechanism arranged between the oil-cup and sight-glass will be designated as the upper feeding mechanism, its piston-rod 18 the upper piston-rod, and the automatic valve located in the valve-chamber '15 the upper valve to distinguish them from other and substantially similar mechanisms to be hereinafter described. The frame upon which the oilcup is supported is formed substantially like the frame shown in my Patent N 0. 635,694, granted October 24, 1899, and has a vertical portion or member 28, provided with avertical opening 29,, in which the sight-glass 3O is supported. The lower portion of the opening is reduced in size, as shown in Fig. 1, and a. ball-valve device' is vertically arranged therein. 4 This ballvalve device, which I w'ill hereinafter designate as the interme diate valve, is composedof a valve-casing 31, having an annular valve-seat 32 near its upper end, a ball 33,- ar'rang ed in the casing and adapted to engage with the seat 32 to close the passage, and a spiral sprin 34, arranged to normally maintain the bal in contact with the seat with a spring tension.

Below the vertical portion or member 28 is a horizontal tubular portion or member 35, which has a horizontal opening extending through it and divided in communicating chambers. One of these chambers 36 is directly below the vertical intermediate valve, with which it is connected by a short vertical opening 37 and constitutes an oil feeding chamber for a lower feeding mechanism. To the right of the chamber 36 is' located a valve-chamber 38, which is connected to the feeding-chamber by a short communicating opening or chamber 39 of reduced diameter. This valve-chamber is divided into a plurality of successively-enlarging sections, in each of which a valve device is arranged. The valve device in the first section comprises simply a ball 40 and a tension-spring 41 and that in the second section a valve-casin 42, which has an annular valve-seat 43, a ba 144, and a spring 45. The spring 45 is secured in place by a tubular nut 46, which screws in the end of the horizontal portion 35. A pistonrod 47 has one end slidably mounted in the. oil-feed chamber 36 and is reciprocated substanti ally as shown in my Patent No. 635,694 by means of a cam-block 48, in which a pin (shown in dotted lines in Fig. 1) extending; from a disk 49 projects. The disk 49 is. mounted at one end of a shaft 50', which is journaled in a projectin portion 51 of the frame, and a flanged dis is mounted at or near the opposite end of the shaft, which is intermittently rotated by a ball-elutch 52, mounted on a vibratile arm or rod 53, and which in turn is vibrated by any Well-known source of power--such, for instance, as a connecting-rod extending from an operatin portion of an engine. The disk 49 is rotate in only. one direction by the clutch 52, being held stationary during the return movement of said. clutch by a brake-clutch 54, which is similar in construction to the clutch 52 and mounted upon an arm 55, clamped aroundv the projecting portion 51 of the frame. (See Fig. 5.)

The piston rod 47, which I term the lower piston-rod, is connectedto the up-,

per piston-rod 18 by a vertical cross-arm 56,

so that the two piston-rods are simultaneously reciprocated. This cross-arm is formed substantially as shown in Fig. 2, havin an opening 57 near'its lower end, through w ichthe outer portion of the lower piston-rod 47' is fitted, and an upper bifurcated or forked extremity 58, the membersof which straddle. the reduced ortion 59 of a knurled screwnut 60, Whic screws upon the outer screwthreaded portion 61 of the upper pistonrod.

. charge in t The object of this is to provide for longitudinal adjustment of the upper piston-rod to regulate the oil-feed, the up er piston-rod being rotated by its enlarged nurled end 62 to screw it forward or back in the nut 60.

The object of the intermediate vertical valve between the lower feed-chamber 36 and the sight-glass is to prevent the oil charge inthe lower feed-chamber 36 backing up into lubricator is as follows: The device being attached to a suitable mechanism-or the like requiring lubrication and the vibratile arm connected to an operating device, oil is poured into the oil-cup through the strainer 4. The outward reciprocating movement of the upper iston-rod 18 withdrawing said piston into t e position shown in'Fig. 1- creates a partial vacuum in the feed-chamber 14, so that atmospheric pressurecombined with gravity forces a charge of oil from the oilcup through the vertical opening 17 into the feed-chamber 14. The inward movement of the upper iston-rod 18 now'forces the oil he feed-chamber through, the upper automatic valve and the vertical opening 27 into the sight-glass 30. Another outward movement of the two pistons brings another charge into the u per feed-chamber 14, and the sight-glass 30 heingloosely set in the member 28, so that air has a chance to en-- ter, the lower piston-creates a partial vacuumin the lower feed-chamber 36, so that atmospheric ressure will force a charge of oil in the si t-glass through the intermediate vertica valve into thelower feed-chamber 36. The air enters the sight-glass through the semicircular depressions 68, which are forced in the bottom surface of the ortion 26. (See Figs. 1 and 7.) The next inward movement of the two pistons forces the charge of oil in the upper feed-chamber into the s1 htlassinthe manner before described and t e cfiar e of oil in the lower feed-chamber to any esired lubricatingpoint. The amount of volume of the charge of oil is regulated positively by the longitudinal-adjustment of the-up er piston.

The reat a vantage of this construction is that t coil is fed positively at all temperatures, it being impossible to 010 the device With heavy oil or 'oil thickened y exposure to low temperature owing to the double force feeding mechanisms and the positive forcefeed into the sight-glass.

In this construction the upper feed-chamber is made smaller than the lower feed-chamber, so that thelower feed mechanism will have a greater feed capacity than the up er feed mechanism to prevent filling the sig -glass.

I claim as my invention 1. In a device of the class described, a cup to contain lubricant, a sight-glass, a plurality of feed mechanisms including a plurality of pistons, one-of said feed mechanisms being arranged between the cup and sight-glass to draw the lubricant from the cup and force it into the sight-glass, and another being arranged between the. sight-glass and the element to be lubricated to draw the lubricant from the sight-glass and force it to said element. V

2. In a device of the class described, an oilcup, a sight-glass, a plurality of feed mechanisms inc uding a plurality o pistons connected to reciprocate simultaneously and one of said oil-feed mechanisms being arranged between the oil-cu and sightlass and another between the sig tlass an the part to be lubricated.

3. Ina device of the class described, an oil-,

cup, a sight-glass, two horizontal feed mechamsms arranged one above the other, and one located between the oil-cup and sight.

glass and another between the sight-glass and the part tobe lubricated and/means for operatin said feed mechanisms.

4. I n a device of the class described, an oilcup, a frame uponwhich said oil-cup is mounted, a sight-glass in said frame beneath the oil-cup and a plurality of force-feed mec'han: isms, one being arran ed between the oil-cup and si htlass to'fee' oil from the oil-cup to the sig lit-g ass and another beneath the sightglassto feed oil from the sight-glass to the part requiring lubrication.

5. In a device of the class described,an 011 6 cup, a frame upon which the'oil-cup is mounted, a si ht: lass in said frame beneath the oil a cup an a p urality of force-feed mechanisms, .one being arranged between the oil-cup and IIO Sighbglass, and another. beneath the sightglass; said feed mechanisms having difi'ering eedilig' ca acity.

a e. I 06 of the-class described, an 'cup po which the oil-cup is mounted, 'a'si lit-glass insaid frame beneath the oilcup an 'ap one being arranged between the oilscup and urality of force-feed mechanisms,

sight-glass, and another/beneathJ-the sight-j. glass; the'lowerfeed mechanism havin a greater feeding-capacity than the upper eed mechanism. v 7. In a device of the class described, an oilcup, a sight-glass, a lurality of feed'mechanisms, one arranged tweenthe oil-cupwand sight-glass and another arranged beneath the sight-glass and a plurality of alves, one being located between the upper feed mechan-v ism and the sight-glass and another between the si ht-gl ass andlower feed mechanism.

i v8. n a device of the class ,described, a cup to co'ntainlubricant, a sight-glass and a plurality of force-feed mechanisms, one being arranged between the cup and sight-glass,

9. :In adevice of the class described, a cup to contain lubricant, a si ht-glass, and a plurality of force-feed mec anisms, one be ng arranged between the cup and sight-glass, and another between the si ht-glass and the part to be lubricated andiaving-agreater feeding capacity than the first-mentioned feed mechanism.

i c v CHARLES W. MANZEL. -Witnessesr. v V. :1 f

GEO. A. NEUBAUER H. J. MANZEL. 

